File list (Check if you may need any files):
openFileDemo\.classpath
............\.project
............\AndroidManifest.xml
............\assets
............\bin\AndroidManifest.xml
............\...\classes\com\example\openfiledemo\BuildConfig.class
............\...\.......\...\.......\............\CallbackBundle.class
............\...\.......\...\.......\............\OpenFileDemo$1.class
............\...\.......\...\.......\............\OpenFileDemo$2.class
............\...\.......\...\.......\............\OpenFileDemo.class
............\...\.......\...\.......\............\OpenFileDialog$FileSelectView.class
............\...\.......\...\.......\............\OpenFileDialog.class
............\...\.......\...\.......\............\R$attr.class
............\...\.......\...\.......\............\R$dimen.class
............\...\.......\...\.......\............\R$drawable.class
............\...\.......\...\.......\............\R$id.class
............\...\.......\...\.......\............\R$layout.class
............\...\.......\...\.......\............\R$menu.class
............\...\.......\...\.......\............\R$string.class
............\...\.......\...\.......\............\R$style.class
............\...\.......\...\.......\............\R.class
............\...\.......\...\.......\openfiledemo
............\...\.......\...\example
............\...\.......\com
............\...\classes
............\...\classes.dex
............\...\OpenFileDemo.apk
............\...\res\drawable-hdpi\filedialog_file.png
............\...\...\.............\filedialog_folder.png
............\...\...\.............\filedialog_folder_up.png
............\...\...\.............\filedialog_root.png
............\...\...\.............\filedialog_wavfile.png
............\...\...\.............\ic_action_search.png
............\...\...\.............\ic_launcher.png
............\...\...\drawable-hdpi
............\...\...\.........ldpi\ic_launcher.png
............\...\...\drawable-ldpi
............\...\...\.........mdpi\ic_action_search.png
............\...\...\.............\ic_launcher.png
............\...\...\drawable-mdpi
............\...\...\.........xhdpi\ic_action_search.png
............\...\...\..............\ic_launcher.png
............\...\...\drawable-xhdpi
............\...\res
............\...\resources.ap_
............\bin
............\gen\com\example\openfiledemo\BuildConfig.java
............\...\...\.......\............\R.java
............\...\...\.......\openfiledemo
............\...\...\example
............\...\com
............\gen
............\ic_launcher-web.png
............\libs\android-support-v4.jar
............\libs
............\proguard-project.txt
............\project.properties
............\res\drawable-hdpi\filedialog_file.png
............\...\.............\filedialog_folder.png
............\...\.............\filedialog_folder_up.png
............\...\.............\filedialog_root.png
............\...\.............\filedialog_wavfile.png
............\...\.............\ic_action_search.png
............\...\.............\ic_launcher.png
............\...\.............\Thumbs.db
............\...\drawable-hdpi
............\...\.........ldpi\ic_launcher.png
............\...\drawable-ldpi
............\...\.........mdpi\ic_action_search.png
............\...\.............\ic_launcher.png
............\...\.............\Thumbs.db
............\...\drawable-mdpi
............\...\.........xhdpi\ic_action_search.png
............\...\..............\ic_launcher.png
............\...\..............\Thumbs.db
............\...\drawable-xhdpi
............\...\layout\activity_open_file_demo.xml
............\...\......\filedialogitem.xml
............\...\layout
............\...\menu\activity_open_file_demo.xml
............\...\menu
............\...\values\dimens.xml
............\...\......\strings.xml
............\...\......\styles.xml
............\...\values
............\...\......-large\dimens.xml
............\...\values-large
............\res
............\src\com\example\openfiledemo\CallbackBundle.java
............\...\...\.......\............\OpenFileDemo.java
............\...\...\.......\...........